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针对应急条件下的成像观测任务,考虑卫星成像条带切换时间等约束建立成像任务调度模型,以最小化完成测绘任务时间为优化目标。通过改进蚁群算法进行求解,结合实际约束、加入任务执行间隔等因素来控制转移概率。为地面运管系统提供了一种新的成像策略优化目标,能够根据不同的测绘任务以及用户需求,选择优化方案对实际卫星测绘做规划。
The imaging task scheduling model is established for the imaging observation tasks under emergency conditions and the satellite image strip switching time constraints to minimize the time to complete the task of surveying and mapping as the optimization objective. By improving the ant colony algorithm to solve, combined with the actual constraints, adding task execution interval and other factors to control the transition probability. It provides a new imaging strategy optimization target for the ground transportation management system, which can select the optimization scheme to plan the actual satellite mapping according to different mapping tasks and user needs.